A data recording/reproducing apparatus applicable to, for example, an editing system having a plurality of hard disk units arranged to be in parallel operated to record/reproduce a video signal to be capable of recovering abnormal data without any interruption with the operations for recording/reproducing continuous data. The operations of a plurality of data recording/reproducing blocks are managed in time by a time slot to use a period of a blank time slot if an abnormal condition appears in one recording/reproducing block to recover abnormal data with data recorded on another recording/reproducing block.